25 MVA 25000 KVA Substation Step Down Power Transformer

220KV series oil immersed power transformer produced with global advanced technology and equipment, continuously updating the manufacturing experience and processing. We developed high-grade power transformer that sufficiently satisfy the operation conditions of domestic and foreign power grid.

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PRODUCT DETAILS

The rated power of the transformer is 25000 KVA, the primary voltage of the transformer is 33KV and the secondary voltage is 11KV. These substation step down transformers were designed with ABB OLTC and equipped with AVR. Our 25 MVA power transformers was designed with advanced technology and adopts high quality material and components which result in reliable quality and long operation time.


Scope of Supply

Product: Oil Immersed Power Transformer

Rated Power: Up to 200 MVA

Primary Voltage: Up to 230 KV


Technical Specification


ModelSFZ11-25 MVA-33/11KV
TypeOil Immersed Power Transformer
StandardIEC60076
Rated Power25 MVA
Frequency50 HZ
PhaseThree
Cooling TypeONAF
Primary Voltage33 KV
Secondary Voltage11 KV
Winding MaterialCopper
Vector GroupDyn11
Impedance8.50%
Tap ChangerOLTC
Tapping Range+10% in steps of 1.25% 17 tapping (33+8x1.25%)
No Load Loss8 KW
On Load Loss66.5 KW
AccessoriesStandard Configuration
RemarksN/A


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